Finding the Fourth Proportional to 81,782.84, 122,674.10 and 25,627.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,782.84 : 122,674.10 = 25,627.25 : x
2. Step 2: Convert to fraction form
   81,782.84/122,674.10 = 25,627.25/x
3. Step 3: Cross multiply
   81,782.84x = 122,674.10 × 25,627.25
4. Step 4: Simplify right side
   81,782.84x = 3,143,799,087.72
5. Step 5: Solve for x
   x = 3,143,799,087.72/81,782.84
6. Step 6: Final answer
   x = 38,440.82